DL 420 then AA 2970 at O'Hare
Savannah → Chicago → Minneapolis
Timetable, Chicago time
13:13DL 420 from Savannah at the gate
11:56AA 2970 to Minneapolis leaves the gate
22 h 43 apart on the timetable, overnight
AA 2970 leaves 22 h 43 after DL 420 arrives on the timetable: more than half a day, so not a connection we count.